feat: dump sdbdata to file

source/dnode/mgmt/exe/dmMain.c

@@ -188,13 +188,14 @@ int main(int argc, char const *argv[]) {
   }
 
   if (dmInitLog() != 0) {
-    printf("failed to start since init log error");
+    printf("failed to start since init log error\n");
     taosCleanupArgs();
     return -1;
   }
 
   if (taosInitCfg(configDir, global.envCmd, global.envFile, global.apolloUrl, global.pArgs, 0) != 0) {
     dError("failed to start since read config error");
+    taosCloseLog();
     taosCleanupArgs();
     return -1;
   }

tests/test/c/CMakeLists.txt

-add_executable(create_table create_table.c)
+add_executable(create_table createTable.c)
 add_executable(tmq_demo tmqDemo.c)
 add_executable(tmq_sim tmqSim.c)
+add_executable(sdbDump sdbDump.c)
 target_link_libraries(
     create_table
     PUBLIC taos_static
@@ -22,3 +23,17 @@ target_link_libraries(
     PUBLIC common
     PUBLIC os
 )
+target_link_libraries(
+    sdbDump
+    PUBLIC dnode
+    PUBLIC mnode
+    PUBLIC sdb
+    PUBLIC os
+)
+target_include_directories(
+    sdbDump
+    PUBLIC "${TD_SOURCE_DIR}/include/dnode/mnode"
+    PRIVATE "${TD_SOURCE_DIR}/source/dnode/mnode/impl/inc"
+    PRIVATE "${TD_SOURCE_DIR}/source/dnode/mnode/sdb/inc"
+    PRIVATE "${TD_SOURCE_DIR}/source/dnode/mgmt/node_mgmt/inc"
+)
\ No newline at end of file

tests/test/c/sdbDump.c

+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define _DEFAULT_SOURCE
+#include "dmMgmt.h"
+#include "tconfig.h"
+
+int32_t main(int32_t argc, char *argv[]) {
+  char datafile[PATH_MAX] = {0};
+
+  for (int32_t i = 1; i < argc; ++i) {
+    if (strcmp(argv[i], "-c") == 0) {
+      if (i < argc - 1) {
+        if (strlen(argv[++i]) >= PATH_MAX) {
+          printf("config file path overflow");
+          return -1;
+        }
+        tstrncpy(configDir, argv[i], PATH_MAX);
+      } else {
+        printf("'-c' requires a parameter, default is %s\n", configDir);
+        return -1;
+      }
+    } else if (strcmp(argv[i], "-f") == 0) {
+      if (i < argc - 1) {
+        if (strlen(argv[++i]) >= PATH_MAX) {
+          printf("file path overflow");
+          return -1;
+        }
+        tstrncpy(datafile, argv[i], PATH_MAX);
+      } else {
+        printf("'-f' requires a parameter, default is %s\n", configDir);
+        return -1;
+      }
+    }
+  }
+
+  if (taosCreateLog("dumplog", 1, configDir, NULL, NULL, NULL, NULL, 1) != 0) {
+    printf("failed to dump since init log error\n");
+    return -1;
+  }
+
+  if (taosInitCfg(configDir, NULL, NULL, NULL, NULL, 0) != 0) {
+    uError("failed to dump since read config error");
+    taosCloseLog();
+    return -1;
+  }
+
+  if (datafile[0] == 0) {
+    snprintf(datafile, sizeof(datafile), "%s%sdata%smnode%sdata%ssdb.data", tsDataDir, TD_DIRSEP, TD_DIRSEP, TD_DIRSEP,
+             TD_DIRSEP);
+  }
+
+  dInfo("dump %s to sdb.json", datafile);
+
+  taosCleanupCfg();
+  taosCloseLog();
+  return 0;
+}